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Arduino Modbus Tcp

Die 10 besten Produkte von Oktober 2025
Letzte Aktualisierung: 9. Oktober 2025
Elektor
Elektor
Coding Modbus TCP/IP for Arduino: Example projects with Node-RED, MQTT, WinCC SCADA, Blynk, and ThingSpeak
20% Rabatt Kostenloser Versand
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Amazon.de
#1 GEWINNER
Arduino
Arduino
Arduino Opta WiFi [AFX00002] – Industrieller IoT-Controller mit Wi-Fi-Konnektivität, digitalen E/A, analogen Eingängen und Modbus-Unterstützung für Automatisierungs- und Steuerungssysteme
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#2

  • Wi-Fi-Konnektivität für Remote-IoT-Lösungen: Der Arduino Opta WiFi ist mit Wi-Fi-Konnektivität ausgestattet und ermöglicht die Fernüberwachung und -steuerung von Industriesystemen. Mit dieser Karte können Sie Ihre Automatisierungs- und IoT-Projekte nahtlos mit Cloud-Plattformen, lokalen Netzwerken oder Remote-Geräten verbinden und so eine flexible und zuverlässige drahtlose Kommunikation für den Datenaustausch in Echtzeit und Fernoperationen ermöglichen.
  • Vollständige I/O- und Sensorintegration: Ausgestattet mit mehreren digitalen I/O-Pins, analogen Eingängen und PWM-Ausgängen eignet sich der Opta WiFi ideal für die Anbindung an eine Vielzahl von Sensoren, Aktoren und industriellen Steuerungssystemen. Unabhängig davon, ob Sie an Umweltüberwachung, Maschinensteuerung oder intelligenten Gebäudesystemen arbeiten, bietet die Platine die notwendigen Ein- und Ausgänge, um Ihre Anwendungsanforderungen zu erfüllen.
  • Modbus RTU- und TCP-Unterstützung für industrielle Anwendungen: Opta WiFi unterstützt Modbus RTU- und TCP-Protokolle und erleichtert so die Integration in bestehende industrielle Steuerungssysteme und SPS. Diese Protokolle gewährleisten eine reibungslose Kommunikation mit anderen Automatisierungsgeräten, Sensoren und Remote-Geräten, sorgen für optimale Kompatibilität mit industriellen Netzwerken und vereinfachen die Integration.
  • Robustes Design in Industriequalität: Der Arduino Opta WiFi wurde für raue Industrieumgebungen entwickelt und verfügt über einen robusten, kompakten Formfaktor, der unter rauen Bedingungen wie extremen Temperaturen, Feuchtigkeit und elektromagnetischen Störungen (EMI) betrieben werden kann. Es eignet sich perfekt für Werkstätten, Lagerhallen und industrielle Außenanwendungen.
  • Arduino-Ökosystem und Benutzerfreundlichkeit: Opta WiFi ist vollständig mit der Arduino IDE kompatibel, was die Programmierung und Anpassung für industrielle Automatisierungsprojekte erleichtert. Nutzen Sie Arduino-Bibliotheken, Community-Ressourcen und Entwicklungstools, um schnell Prototypen für IoT-Lösungen, Steuerungssysteme und Automatisierungsanwendungen zu erstellen.
  • 206,00 € AUF AMAZON
Waveshare
Waveshare
Waveshare 8-Ch Ethernet Relay Module (B) with Digital Input, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
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93

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#3

  • An industrial 8-ch relay module controlled via Ethernet port, with 8-ch digital input, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case. The Modbus POE ETH Relay (B) is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements.
  • Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically. Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. The relay supports digital input linkage control or toggle control
  • Supports DC 7~36V wide range power input and PoE power supply. Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status
  • Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit. Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability
  • Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤10A 250VAC/30VDC. Rail-mounted ABS plastic enclosure, easy to install, safe to use. Applicable to Industrial Control, Smart Home, Smart Agriculture, Breeding / Farming
  • 66,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare RS485 zu RJ45 Ethernet Industrial Serial Server Modbus Gateway TCP/IP zu Serieller Rail-Mount Unterstützung mit PoE Ethernet Port und Elektrischer Isolation Adapter
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#4

  • This is the hardware upgrade version, support PoE Ethernet port power supply, with power and signal isolation protection, which is safer for industrial applications.
  • This is a RS485 device data acquisitor / IoT gateway designed for industrial environments. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc.
  • The module features RS485 and Ethernet port (POE function is optional), uses screw terminals for power input. Rail-mount flame-retardant case design, small in size, easy to install.
  • It is suitable for applications such as data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring.
  • Bi-Directional Transparent Data Transmission Between RS485 and Ethernet
  • 38,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare 16-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, Ethernet Communication, Support PoE, Various Isolation & Protection Circuits, Industrial Grade Rail-Mount Case
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#5

  • Dual Ethernet Ports with PoE Support:This 16-channel relay module is equipped with dual Ethernet ports, allowing for cascade communication via Ethernet ports, ensuring easy expansion and a reliable network connection. It also supports Power over Ethernet (PoE), eliminating the need for separate power cables and simplifying the overall system setup, ideal for environments with limited power outlets.
  • Modbus RTU/TCP Protocol Compatibility & MQTT Support: Supporting both Modbus RTU and Modbus TCP protocols, the module offers flexible and industry-standard communication options. It is also compatible with the MQTT protocol for relay control, and comes with a demo application for Alibaba Cloud MQTT, making it simple to integrate the device into cloud-based industrial automation systems or IoT networks.
  • Wide Power Input Range & Safety Features: The relay module supports a wide DC power input range of 7-36V, accommodating various power supply options in industrial settings. Additionally, it features onboard optocoupler isolation to protect the relays from high-voltage interference, ensuring reliable operation and preventing damage from electrical surges.
  • Enhanced Relay Protection and Control Functions:This relay module is equipped with a dedicated relay driver chip with built-in flyback diode protection, allowing for stable and strong driving performance. It also includes a flash-on, flash-off function with delay settings for opening or closing relays, offering greater flexibility for time-sensitive control applications.
  • Durable Enclosure & Easy Installation:Designed for industrial environments, the module comes in a sturdy ABS rail-mount enclosure, ensuring easy mounting and safe operation. The enclosure is optimized for rugged environments and supports quick installation. The device also includes 4 LEDs and network indicators, providing clear status updates on MCU activity and signal transmission, enabling quick troubleshooting and monitoring.
  • 79,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare Industrial Serial Server RS485 to RJ45 Ethernet TCP/IP to Serial Module Support Rail-Mount Modbus Gateway Common Ethernet Port Without PoE
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#6

  • Power supply is not included, it is recommended to use a 12V Industrial DIN-Rail Power Supply. Please check the electronic User Manual Carefully before using!
  • This is a RS485 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc.
  • The module features RS485 and Ethernet ports, uses screw terminals for power input, supports 9~24V wide range power supply.
  • Rail-mount flame-retardant case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring
  • Bi-Directional Transparent Data Transmission Between RS485 And Ethernet
  • ❤️Rich WiKi Resources❤️ We provide official Wiki resources, please contact us for more information.
  • 31,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare 30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Kostenloser Versand
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80

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AUF AMAZON ANSEHEN
Amazon.de
#7

  • An industrial 30-ch relay module controlled via Ethernet port, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case. Applicable to Industrial Control, Smart Home, Smart Agriculture, Breeding / Farming
  • The Modbus POE ETH Relay 30CH is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements
  • Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically. Supports DC 7~36V wide range power input and PoE power supply. Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo
  • Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status
  • Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability. Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection. High quality relay, contact rating: ≤10A 250VAC/30VDC
  • 96,99 € AUF AMAZON
Waveshare
Waveshare
Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Kostenloser Versand
star

77

GUTE QUALITÄT

AUF AMAZON ANSEHEN
Amazon.de
#8

  • An industrial 8-ch relay module controlled via Ethernet port, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case
  • This Modbus POE ETH Relay is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements
  • Supports DC 7~36V wide range power input and PoE power supply. Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically
  • Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo. Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit. Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection
  • Rail-mounted ABS case, easy to install, safe to use. 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status. High-quality relay, contact rating: ≤10A 250VAC/30VDC
  • 54,99 € AUF AMAZON
PUSR
PUSR
PUSR RS232 RS485 Modbus RTU zu Modbus TCP Gateway Seriell zu Ethernet Konverter USR-TCP232-410s
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#9

  • Serielle Schnittstelle: RS232 und RS485, kann gleichzeitig verwendet werden
  • Redundante Stromversorgung: DC 5-36 V oder Terminal-Stromversorgung
  • Modbus Gateway: Modbus RTU zu Modbus TCP, Modbus Polling
  • Arbeitsmodus: TCP Server/Client, UDP Server/Client, HTTPD Client
  • Konfiguration durch Webpage, AT-Befehl und Setup-Software
  • 47,00 € AUF AMAZON
WAGO
WAGO
Kommunikationsmodul; MODBUS TCP                  
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#10

  • Kommunikationsmodul zum Anrasten an WAGO Energiezähler
  • Modbus TCP
  • Direkte Verbindung mit den Energiezählern über seitliche UART-Schnittstelle RS-232
  • RS-485-Schnittstelle zum Anschluss von bis zu 32 generischen Modbus-RTU-Slaves
  • Konfiguration mittels Konfigurationssoftware oder per Modbus-Funktionscodes
  • Maximale Anzahl zulässiger Modbus-TCP-Verbindungen: 4
  • 137,00 € AUF AMAZON
arduino modbus modbus arduino arduino tcp arduino rs485 modbus modbus tcp